Chess South Africa Ratings Database

PLAYER PAGE

Personal

Jayakody, D (Don)

Chess SA id

100065366

FIDE id

Date of birth

2000-10-07 (Adult)

Gender

Male

Region

Buffalo City (EBC)

Citizen

RSA

Titles

Chess SA registered

Last active game

2018-03-03

Personal details last changed

1900-01-01

Junior GPX Games

Junior GPX Points

Item	Main	Standard	Rapid	Blitz
Rating	957.2	949.9	990.4	990.4
Raw rating	957.2	949.9	990.4	990.4
Weighted rating	956.7	949.5	990.4	990.4
Weighted performance	0	0	0	0
Floor	500	500	500	500
K-factor	40	40	40	40
Min/Max rating change allowed	234.4	236.8	223.5	223.5
Highest rating	1200 2024-11-01	1200 2024-11-01	1200 2024-03-01	1200 2024-03-01
Highest raw rating	990.4 2018-01-01	990.4 2018-01-01	990.4 2024-03-01	990.4 2024-03-01
Highest weighted rating	990.4 2024-11-01	990.4 2024-11-01	990.4 2024-11-01	990.4 2024-11-01
Highest weighted performance	1200 2024-12-01	1200 2024-12-01	1200 2024-03-01	1200 2024-03-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	0	0	0	0
New rating	957.2	949.9	990.4	990.4
Analysis
Rating	957.2	949.9	990.4	990.4
Raw rating	957.2	949.9	990.4	990.4
Weighted rating	956.7	949.5	990.4
Weighted performance	0	0	0
K-factor	40	40	40	40
Floor	500	500	500	500
Max/Min rating change allowed	234.4	236.8	223.5	223.5
Games	0	0	0	0
Score	0	0	0	0
Expected score	0	0	0	0
Score-Expected	0	0	0	0
Temp raw +/-	0	0	0	0
Final raw +/-	0	0	0	0
New raw rating	957.2	949.9	990.4	990.4
New weighted rating	957	949.8	990.4	990.4
New weighted performance	0	0	0	0
Temp new rating	957.2	949.9	990.4	990.4
Temp new rating +/-	0	0	0	0
Final new rating +/-	0	0	0	0
New rating	957.2	949.9	990.4	990.4
New K-factor	40	40	40	40
New floor	500	500	500	500

Item	Main	Standard
	0	0
	0	0
	0	0
	0	0
	0	0
	0	0
History	122	122

Games since
	Main 0	Standard 0		Rapid 0		Blitz 0
Gender	Male
Age group	Adult
Region	Buffalo City (EBC)
Province	Eastern Cape (EC)
Main
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
Adult	-1		-1		-1
Adult Male	-1		-1		-1
Standard
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
Adult	-1		-1		-1
Adult Male	-1		-1		-1
Rapid
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
Adult	-1		-1		-1
Adult Male	-1		-1		-1
Blitz
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
Adult	-1		-1		-1
Adult Male	-1		-1		-1


	Games	Score	%	Dp	AvgOpp	Performance
Main	0	0	0	0	0	0
Standard	0	0	0	0	0	0
Rapid	0	0	0	0	0	0
Blitz	0	0	0	0	0	0

	Games	Score	%	Dp	AvgOpp	Performance
Main	0	0	0	0	0	0
Standard	0	0	0	0	0	0
Rapid	0	0	0	0	0	0
Blitz	0	0	0	0	0	0
History
	Games	Score	%	Dp	AvgOpp	Performance
Main	23	9	39.13	-92.4	985.6	893.2
Standard	23	9	39.13	-92.4	985.6	893.2
Rapid	0	0	0	0	0	0
Blitz	0	0	0	0	0	0

Date	Main	Standard	Rapid	Blitz
2025-09-30	957.2	949.9	990.4	990.4
2025-09-01	957.2	949.9	990.4	990.4
2025-08-01	957.2	949.9	990.4	990.4
2025-07-01	957.2	949.9	990.4	990.4
2025-06-01	957.2	949.9	990.4	990.4
2025-05-01	957.2	949.9	990.4	990.4
2025-04-01	957.2	949.9	990.4	990.4
2025-03-01	957.2	949.9	990.4	990.4
2025-02-01	957.2	949.9	990.4	990.4
2025-01-01	957.2	949.9	990.4	990.4
2024-12-01	957.2	949.9	990.4	990.4
2024-11-01	957.2	949.9	990.4	990.4
2024-10-01	957.2	949.9	990.4	990.4
2024-09-01	957.2	949.9	990.4	990.4
2024-08-01	957.2	949.9	990.4	990.4
2024-07-01	957.2	949.9	990.4	990.4
2024-06-01	957.2	949.9	990.4	990.4
2024-08-01	957.2	949.9	990.4	990.4
2024-04-01	957.2	949.9	990.4	990.4
2024-03-01	957.2	949.9	990.4	990.4
2024-02-01	957.2	949.9	990.4	990.4
2024-01-01	957.2	949.9	990.4	990.4
2023-12-01	907.6	902.4	990.4	990.4
2023-11-01	907.6	902.4	990.4	990.4

Comming soon.

Tournaments

History

No tournaments found.

#	Tournament	Start	End	Type	Host	Rounds	Games	Score	Cfr	Analysis

No tournaments found.

#	Tournament	Start	End	Type	Host	Rounds	Games	Score	Cfr	Analysis

Last 500 tournaments since 01 January 2018

#	Tournament	Start	End	Type	Host	Rounds	Games	Score	Cfr	Analysis
1	2nd Buffalo Trials 2018 (U18A)	2018-03-03	2018-03-03	Standard	Buffalo City (EBC)	5	5	1.5	Yes	Analysis
2	Buffalo City 1st Chess Trials 2018 (U20A)	2018-02-03	2018-02-03	Standard	Buffalo City (EBC)	5	5	2	Yes	Analysis
3	South African Junior Wildcard Championships 2017 (U18 Open)	2018-01-09	2018-01-12	Standard	4 Knights (4K)	7	7	1.5	Yes	Analysis
4	South African Junior Team Championships 2017 (U18B)	2018-01-04	2018-01-08	Standard	4 Knights (4K)	7	6	4	Yes	Analysis

#	Games	Start				End
1	2	Tournament 2nd Buffalo Trials 2018				Tournament 2nd Buffalo Trials 2018
		date 2018-03-03	rnd 1	type Standard	result 0.5	date 2018-03-03	rnd 2	type Standard	result 1
		Opponent Adams, W-D (Wazeerud-Deen)				Opponent Alex, S (Shaun)
2	2	Tournament South African Junior Team Championships 2017				Tournament South African Junior Team Championships 2017
		date 2018-01-07	rnd 6	type Standard	result 1	date 2018-01-08	rnd 7	type Standard	result 1
		Opponent Schoeman, D (Dian)				Opponent Makgale, LB (Letlhogonolo)
3	2	Tournament South African Junior Team Championships 2017				Tournament South African Junior Team Championships 2017
		date 2018-01-04	rnd 2	type Standard	result 1	date 2018-01-05	rnd 3	type Standard	result 1
		Opponent Smit, N (Nelis)				Opponent Van Niekerk, M (Megan)

#	Games	Start				End
1	2	Tournament 2nd Buffalo Trials 2018				Tournament 2nd Buffalo Trials 2018
		date 2018-03-03	rnd 1	type Standard	result 0.5	date 2018-03-03	rnd 2	type Standard	result 1
		Opponent Adams, W-D (Wazeerud-Deen)				Opponent Alex, S (Shaun)
2	2	Tournament South African Junior Team Championships 2017				Tournament South African Junior Team Championships 2017
		date 2018-01-07	rnd 6	type Standard	result 1	date 2018-01-08	rnd 7	type Standard	result 1
		Opponent Schoeman, D (Dian)				Opponent Makgale, LB (Letlhogonolo)
3	2	Tournament South African Junior Team Championships 2017				Tournament South African Junior Team Championships 2017
		date 2018-01-04	rnd 2	type Standard	result 1	date 2018-01-05	rnd 3	type Standard	result 1
		Opponent Smit, N (Nelis)				Opponent Van Niekerk, M (Megan)

No games found.

#	Games	Start				End

No games found.

#	Games	Start				End

#	Games	Start				End
1	2	Tournament South African Junior Team Championships 2017				Tournament South African Junior Team Championships 2017
		date 2018-01-07	rnd 6	type Standard	result 1	date 2018-01-08	rnd 7	type Standard	result 1
		Opponent Schoeman, D (Dian)				Opponent Makgale, LB (Letlhogonolo)
2	2	Tournament South African Junior Team Championships 2017				Tournament South African Junior Team Championships 2017
		date 2018-01-04	rnd 2	type Standard	result 1	date 2018-01-05	rnd 3	type Standard	result 1
		Opponent Smit, N (Nelis)				Opponent Van Niekerk, M (Megan)
3	1	Tournament 2nd Buffalo Trials 2018				Tournament 2nd Buffalo Trials 2018
		date 2018-03-03	rnd 2	type Standard	result 1	date 2018-03-03	rnd 2	type Standard	result 1
		Opponent Alex, S (Shaun)				Opponent Alex, S (Shaun)

#	Games	Start				End
1	2	Tournament South African Junior Team Championships 2017				Tournament South African Junior Team Championships 2017
		date 2018-01-07	rnd 6	type Standard	result 1	date 2018-01-08	rnd 7	type Standard	result 1
		Opponent Schoeman, D (Dian)				Opponent Makgale, LB (Letlhogonolo)
2	2	Tournament South African Junior Team Championships 2017				Tournament South African Junior Team Championships 2017
		date 2018-01-04	rnd 2	type Standard	result 1	date 2018-01-05	rnd 3	type Standard	result 1
		Opponent Smit, N (Nelis)				Opponent Van Niekerk, M (Megan)
3	1	Tournament 2nd Buffalo Trials 2018				Tournament 2nd Buffalo Trials 2018
		date 2018-03-03	rnd 2	type Standard	result 1	date 2018-03-03	rnd 2	type Standard	result 1
		Opponent Alex, S (Shaun)				Opponent Alex, S (Shaun)

No games found.

#	Games	Start				End

No games found.

#	Games	Start				End

Top 10 opponents most often played

#	Opponent	Main			Standard			Rapid			Blitz
		Gms	Score	Dp	Gms	Score	Dp	Gms	Score	Dp	Gms	Score	Dp
		Gms	Aor	Prat	Gms	Aor	Prat	Gms	Aor	Prat	Gms	Aor	Prat
1	Adams ,W-D (Wazeerud-Deen)	2	0.5	-212.5	2	0.5	-212.5	0	0	0	0	0	0
1	Adams ,W-D (Wazeerud-Deen)	2	1168.1	955.6	2	1169.7	955.6	0	0	0	0	0	0
2	Alex ,S (Shaun)	1	1	425	1	1	425	0	0	0	0	0	0
2	Alex ,S (Shaun)	1	896.1	1321.1	1	909.8	1321.1	0	0	0	0	0	0
3	Fekade ,G (Gcisa)	1	1	425	1	1	425	0	0	0	0	0	0
3	Fekade ,G (Gcisa)	1	1200	1625	1	1200	1625	0	0	0	0	0	0
4	Rampersad ,T (Trisha)	1	0	-425	1	0	-425	0	0	0	0	0	0
4	Rampersad ,T (Trisha)	1	1015.8	590.8	1	1015.8	590.8	0	0	0	0	0	0
5	Bahlmann ,E (Ethan)	1	0	-425	1	0	-425	0	0	0	0	0	0
5	Bahlmann ,E (Ethan)	1	882.6	457.6	1	894	457.6	0	0	0	0	0	0
6	Koshy ,A (Allen)	1	0	-425	1	0	-425	0	0	0	0	0	0
6	Koshy ,A (Allen)	1	525.2	100.2	1	525.2	100.2	0	0	0	0	0	0
7	Cruywagen ,D (Dewan)	1	0	-425	1	0	-425	0	0	0	0	0	0
7	Cruywagen ,D (Dewan)	1	1341	916	1	1341	916	0	0	0	0	0	0
8	Bull ,D (Dearan)	1	0	-425	1	0	-425	0	0	0	0	0	0
8	Bull ,D (Dearan)	1	1194	769	1	1194	769	0	0	0	0	0	0
9	Makgale ,LB (Letlhogonolo Bennedict)	1	1	425	1	1	425	0	0	0	0	0	0
9	Makgale ,LB (Letlhogonolo Bennedict)	1	585.6	1010.6	1	585.6	1010.6	0	0	0	0	0	0
10	Naidoo ,H (Hiren)	1	0	-425	1	0	-425	0	0	0	0	0	0
10	Naidoo ,H (Hiren)	1	1200	775	1	1200	775	0	0	0	0	0	0

Norms

No norms achieved.

#	Norm	Tournament	Start	End	Rounds	Games	Score	Details

Ratings

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PLAYER PAGE

Personal

Jayakody, D (Don)

Ratings

Game statistics

Rankings

Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms